150477Speter# $FreeBSD$ 243561Skato 3212062Sdim.include <bsd.own.mk> 4212062Sdim 5212062Sdim# XXX: clang can compile the boot code just fine, but boot2 gets too big 6242706SdimCC:= gcc 7260096SdimCOMPILER_TYPE:= gcc 8212062Sdim 9201342SnyanFILES= boot boot1 boot2 1043561Skato 11201342SnyanNM?= nm 1243561Skato 13201342SnyanBOOT_COMCONSOLE_PORT?= 0x238 14201342SnyanBOOT_COMCONSOLE_SPEED?= 9600 15201342SnyanB2SIOFMT?= 0x3 1643561Skato 17201342SnyanREL1= 0x700 18201342SnyanORG1= 0 19201342SnyanORG2= 0x2000 2043561Skato 21201342Snyan# Decide level of UFS support. 22201342SnyanBOOT2_UFS?= UFS1_AND_UFS2 23201342Snyan#BOOT2_UFS?= UFS2_ONLY 24201342Snyan#BOOT2_UFS?= UFS1_ONLY 25201342Snyan 26201342SnyanCFLAGS= -Os \ 27201342Snyan -fno-guess-branch-probability \ 28201342Snyan -fomit-frame-pointer \ 29201342Snyan -fno-unit-at-a-time \ 30201342Snyan -mno-align-long-strings \ 31201342Snyan -mrtd \ 32220361Snyan -mregparm=3 \ 33201342Snyan -D${BOOT2_UFS} \ 34201342Snyan -DFLAGS=${BOOT_BOOT1_FLAGS} \ 35201342Snyan -DSIOPRT=${BOOT_COMCONSOLE_PORT} \ 36201342Snyan -DSIOFMT=${B2SIOFMT} \ 37201342Snyan -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \ 38201342Snyan -I${.CURDIR}/../../.. \ 39201342Snyan -I${.CURDIR}/../../i386/boot2 \ 40201342Snyan -I${.CURDIR}/../../common \ 41201342Snyan -I${.CURDIR}/../btx/lib -I. \ 42201342Snyan -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \ 43201342Snyan -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ 44201342Snyan -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \ 45260497Sdim -Winline 46201342Snyan 47260497SdimCFLAGS.gcc+= --param max-inline-insns-single=100 48260497Sdim 49200407Snyan# Set machine type to PC98_SYSTEM_PARAMETER 50201342Snyan#CFLAGS+= -DSET_MACHINE_TYPE 51200407Snyan 52200407Snyan# Initialize the bi_bios_geom using the BIOS geometry 53201342Snyan#CFLAGS+= -DGET_BIOSGEOM 54200407Snyan 55260291SdimLD_FLAGS=-static -N --gc-sections 5643561Skato 57201342Snyan# Pick up ../Makefile.inc early. 58201342Snyan.include <bsd.init.mk> 5943561Skato 60201342Snyan.PATH: ${.CURDIR}/../../i386/boot2 6143561Skato 62201342SnyanCLEANFILES= boot 6343561Skato 64201342Snyanboot: boot1 boot2 65201342Snyan cat boot1 boot2 > boot 6643561Skato 67201342SnyanCLEANFILES+= boot1 boot1.out boot1.o 6843561Skato 69201342Snyanboot1: boot1.out 70201342Snyan objcopy -S -O binary boot1.out ${.TARGET} 7143561Skato 72201342Snyanboot1.out: boot1.o 73260291Sdim ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o 74110102Snyan 75201342SnyanCLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \ 76201342Snyan boot2.s boot2.s.tmp boot2.h sio.o 7743561Skato 78201342Snyanboot2: boot2.ld 79201342Snyan @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \ 80201342Snyan echo "$$x bytes available"; test $$x -ge 0 81201342Snyan dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 8243561Skato 83201342Snyanboot2.ld: boot2.ldr boot2.bin ${BTXKERN} 84201342Snyan btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \ 85201342Snyan -o ${.TARGET} -P 1 boot2.bin 8643561Skato 87201342Snyanboot2.ldr: 88201342Snyan dd if=/dev/zero of=${.TARGET} bs=276 count=1 8943561Skato 90201342Snyanboot2.bin: boot2.out 91201342Snyan objcopy -S -O binary boot2.out ${.TARGET} 92104412Snyan 93201342Snyanboot2.out: ${BTXCRT} boot2.o sio.o 94260291Sdim ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} 95104412Snyan 96201342Snyanboot2.o: boot2.s 97104412Snyan 98201342SnyanSRCS= boot2.c boot2.h 99104412Snyan 100201342Snyanboot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c 101201342Snyan ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c 102201342Snyan sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s 103201342Snyan rm -f boot2.s.tmp 104144563Simp 105201342Snyanboot2.h: boot1.out 106201342Snyan ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T (read|putc)/ \ 107201342Snyan { x = $$1 - ORG1; \ 108201342Snyan printf("#define %sORG %#x\n", toupper($$3), REL1 + x) }' \ 109201342Snyan ORG1=`printf "%d" ${ORG1}` \ 110201342Snyan REL1=`printf "%d" ${REL1}` > ${.TARGET} 111144563Simp 11243561Skato.include <bsd.prog.mk> 113